Home / 90,061.58-124,289.70-51,826.95

Finding the Fourth Proportional to 90,061.58, 124,289.70 and 51,826.95

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Solution

The fourth proportional to 90,061.58, 124,289.70 and 51,826.95 is: 71,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061.58 : 124,289.70 = 51,826.95 : x
  2. Step 2: Convert to fraction form
    90,061.58/124,289.70 = 51,826.95/x
  3. Step 3: Cross multiply
    90,061.58x = 124,289.70 × 51,826.95
  4. Step 4: Simplify right side
    90,061.58x = 6,441,556,067.42
  5. Step 5: Solve for x
    x = 6,441,556,067.42/90,061.58
  6. Step 6: Final answer
    x = 71,523.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.